同比上涨，是指与此前同期相比的上涨幅度。
槟城2010年在工作街（Jobstreet.com）上发布的网上招聘同比上涨了80%。
Online job postings in Penang, based Jobstreet.com, soared 80% in 2010 over the previous year.
前三季度，工业品出厂价格同比上涨5.5%。
In the first three quarters of this year, the producer prices for manufactured goods went up by 5.5 percent year-on-year.
2月，中国的消费者价格同比上涨了4.9%。
China's consumer prices rose 4.9% in February from a year earlier.
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